<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>数据库连接错误</title>
</head>
<body>
<h2 align='center'>对不起，现在数据库忙，请稍后再试！</h2>
<h2 align='center'><a href='javaScript:history.back()'>返回</a></h2>
</body>
</html>